Wireguard is a solid-style Icon from Simple Icons set.

The WireGuard icon shows a stylized white dragon curling into a loop inside a black circle. Drawn in the solid style on a 24px grid for a crisp, compact mark suited to open-source software interfaces. Use it for VPN clients, secure networking tools, privacy dashboards, connection states, and server configuration screens. It belongs to Simple Icons free set in the Brand Logos family.